# myproject/msg/Person.msg
int32 id
string name
string email
string address
string num
float32[] data_array
int32[] int_array
float64 double_value
bool boolean_flag
uint64 large_int_value
float64[] double_array

# 新增字段
int8 int8_value
uint8 uint8_value
int16 int16_value
uint16 uint16_value
int64 int64_value

int8[] int8_array
uint16[] uint16_array
int64[] int64_array

